Home / 1,023,623.40-1,535,435.10-787,427.40

Finding the Fourth Proportional to 1,023,623.40, 1,535,435.10 and 787,427.40

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Solution

The fourth proportional to 1,023,623.40, 1,535,435.10 and 787,427.40 is: 1,181,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,623.40 : 1,535,435.10 = 787,427.40 : x
  2. Step 2: Convert to fraction form
    1,023,623.40/1,535,435.10 = 787,427.40/x
  3. Step 3: Cross multiply
    1,023,623.40x = 1,535,435.10 × 787,427.40
  4. Step 4: Simplify right side
    1,023,623.40x = 1,209,043,668,661.74
  5. Step 5: Solve for x
    x = 1,209,043,668,661.74/1,023,623.40
  6. Step 6: Final answer
    x = 1,181,141.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.